The zero gravity drone is another piece of REPO equipment that could help you and your crew move heavier objects.

A Chinese research team is developing a lightweight robotic drone with a targeted special ... "On the ground, it mainly rolls by shifting its center of gravity," said Zhu Yimin, a Ph.D candidate ...

The Drone Diva's brain child measures about 10 ... "The calculations we had to do were for the center of gravity; to figure out where to place sensors, propellers and the payload mechanism itself.